TrainingFlexibility and mobility methods
Mobility Flow and CARs: Training Control Through Your Range
Quick Intro
Mobility training aims to improve how well you can move a joint through its range with control. Controlled articular rotations, called CARs, are a popular tool for this: you move a joint in the largest slow circle it can make while keeping the rest of the body still. A mobility flow chains several such movements together in a sequence.
The Idea in Plain Terms
Flexibility and mobility are related but different. Flexibility is the passive range a joint can reach, such as when someone presses you into a stretch. Mobility is the range you can reach and control with your own muscles. A person may be able to be pushed into a deep split yet be unable to lift their leg that high on their own. Mobility work trains the second ability.
CARs come from a system called Functional Range Conditioning, developed by the Canadian trainer Andreo Spina. In a CAR you rotate a joint, such as the shoulder or hip, through the widest circle you can make, while tensing the muscles around it and keeping everything else steady. It is slow, and the aim is to find the edges of your range and use them.
A mobility flow strings together movements such as cat-cow, hip circles, thoracic rotations and deep squat holds into one continuous sequence, often done as a warm-up or a break from sitting.
The reasoning behind the method is that joints and the muscles that control them adapt to the range they are used in. Regularly using the whole range may help keep it available.
A Worked Example
A five-minute morning mobility sequence, offered as an illustration:
| Movement | Dose |
|---|---|
| Neck CARs | 3 slow circles each direction |
| Shoulder CARs | 3 each side and direction |
| Cat-cow | 8 slow reps |
| Thoracic rotation on all fours | 6 per side |
| Hip CARs | 3 each side and direction |
| Deep squat hold | 30 to 60 seconds |
Each rotation is slow, with the rest of the body held still.
What the Research Shows
Direct research on CARs as a specific method is scarce. Most of the claims about preserving joint health and “owning” a range come from practitioners rather than controlled trials.
What research does support is the broader principle. Training with active movement through a full range can improve range of motion, and strength work done through a long range tends to improve flexibility about as much as stretching in some studies. Mobility drills that combine movement and light loading are also widely used in rehabilitation and warm-ups, with sound reasoning behind them even though CARs themselves are untested in large trials.
Any claim that rotations prevent injury or “lubricate” a joint should be treated as unproven. A fair statement is that CARs are a reasonable, low-risk way to move joints through range and to check which ranges feel limited.
Who It Suits
- Desk workers who want regular movement breaks.
- Lifters and athletes looking for a structured warm-up.
- Older adults who want to keep moving through available range.
It is not a replacement for medical assessment of a painful or stiff joint.
How to Use It
- Choose a joint and move it in the largest circle you can without pain.
- Keep the rest of the body still, so only that joint moves.
- Tense the surrounding muscles lightly and move slowly, around 10 to 20 seconds per circle.
- Do 3 to 5 circles in each direction.
- Work through the major joints in order, from neck to ankle.
- Practice most days for a few minutes.
Common Misunderstandings
It is not stretching. The goal is controlled movement, not a held stretch.
It is not a proven injury prevention method.
It is not only for athletes.
FAQ
Are CARs the same as warm-ups? They can be part of one. Add some light cardio first.
How is mobility different from flexibility? Mobility is active control of a range. Flexibility is the range itself.
How often? Daily practice of a few minutes is common.
Do I need equipment? No.
Where This Comes From
CARs are described in the Functional Range Conditioning system founded by Andreo Spina. There is little published controlled research on CARs themselves. Comparisons of mobility and flexibility draw on general reviews of range of motion training.
Related to: dynamic stretching, static stretching and foam rolling. Movements include Shoulder CARs, Hip CARs and Cat-Cow with Thread the Needle.